Home / 1,139,179.88-1,572,076.26-622,936.04

Finding the Fourth Proportional to 1,139,179.88, 1,572,076.26 and 622,936.04

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Solution

The fourth proportional to 1,139,179.88, 1,572,076.26 and 622,936.04 is: 859,656.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,179.88 : 1,572,076.26 = 622,936.04 : x
  2. Step 2: Convert to fraction form
    1,139,179.88/1,572,076.26 = 622,936.04/x
  3. Step 3: Cross multiply
    1,139,179.88x = 1,572,076.26 × 622,936.04
  4. Step 4: Simplify right side
    1,139,179.88x = 979,302,959,982.41
  5. Step 5: Solve for x
    x = 979,302,959,982.41/1,139,179.88
  6. Step 6: Final answer
    x = 859,656.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.